"Take a good look when swimming in the rivers on the Sunny Coast now. So what are they saying about global warming?"

Only one week ago, Dr Gershwin identified a photograph sent in by Paul Platt of a strange stinger on his Warana beach as the dangerous morbakka.

She said while they had been known to be in the area for sometime, it was unusual to find them washing up on shores.

And anyone seeing one needed to be very careful, a sting could cause the same kind of toxic reaction as seen in the deadly irukandji up north.

"It can cause irukandji syndrome," Dr Gershwin said.

Roni Blackburn Haines posted this photo of a severe sting on the Sunshine Coast Community Board. Roni says there are a lot of jellyfish in the Noosa River at the moment, although he is unable to say what type they are.Roni Blackburn Haines